"Popular acceptance of the widely contested theory that climate catastrophe threatens us because of our clogging the atmosphere with carbon dioxide emissions gains ground with even the most frivolous and deceptive claims for its validity,'' writes Frank Devine in this morning's edition of The Australian.

"We have got to at least take the insurance that the people who say so [that there is a greenhouse effect] might be right ... the planet deserves the benefit of the doubt," said Rupert Murdoch, famously urging international action on climate change in 2006. He went on to commit his global empire to becoming carbon neutral by 2010.